glycogen
noun
gly·co·gen
ˈglī-kə-jən 
: a white amorphous tasteless polysaccharide (C6H10O5)x that is the principal form in which glucose is stored in animal tissues and especially muscle and liver tissue
Examples of glycogen in a Sentence
Recent Examples on the Web
When glycogen stores are low, blood sugar highs and lows feel more extreme, which can be especially challenging for the brain, DeWitt said.
—
Deirdre Bardolf, FOXNews.com, 11 Feb. 2026
Our muscles and liver store glucose in the form of glycogen, and that is the body and brain’s preferred source of energy.
—Claire Cameron, Scientific American, 11 Feb. 2026
Sleep also restores glycogen, a critical fuel source for brain cells.
—Joanna Fong-Isariyawongse, The Conversation, 23 Jan. 2026
Some evidence suggests creatine also increases muscle glycogen storage, which could help with recovery and energy replenishment between sessions.
—Boutayna Chokrane, Wired News, 8 Jan. 2026
See All Example Sentences for glycogen
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Deirdre Bardolf, FOXNews.com, 11 Feb. 2026
Our muscles and liver store glucose in the form of glycogen, and that is the body and brain’s preferred source of energy.
—Claire Cameron, Scientific American, 11 Feb. 2026
Sleep also restores glycogen, a critical fuel source for brain cells.
—Joanna Fong-Isariyawongse, The Conversation, 23 Jan. 2026
Some evidence suggests creatine also increases muscle glycogen storage, which could help with recovery and energy replenishment between sessions.
—Boutayna Chokrane, Wired News, 8 Jan. 2026
See All Example Sentences for glycogen
Cite this Entry
“Glycogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glycogen. Accessed 16 Feb. 2026.
Copy CitationKids Definition
glycogen
noun
gly·co·gen
ˈglī-kə-jən
: a white tasteless substance that is the chief form in which glucose is stored in animals
Medical Definition
glycogen
noun
gly·co·gen
ˈglī-kə-jən
: a white amorphous tasteless polysaccharide (C6H10O5)x that constitutes the principal form in which glucose is stored in animal tissues, occurs especially in the liver and in muscle and also in fungi and yeasts, and resembles starch in molecular structure and in the formation of only glucose on complete hydrolysis
called also animal starch
Love words? Need even more definitions?
Merriam-Webster unabridged
